123255122422 has 16 divisors (see below), whose sum is σ = 187110922752. Its totient is φ = 60887592360.

The previous prime is 123255122383. The next prime is 123255122453. The reversal of 123255122422 is 224221552321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605328 + ... + 782899.

It is an arithmetic number, because the mean of its divisors is an integer number (11694432672).

Almost surely, 2^123255122422 is an apocalyptic number.

123255122422 is a deficient number, since it is larger than the sum of its proper divisors (63855800330).

123255122422 is a wasteful number, since it uses less digits than its factorization.

123255122422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388763.

The product of its digits is 19200, while the sum is 31.

Adding to 123255122422 its reverse (224221552321), we get a palindrome (347476674743).

The spelling of 123255122422 in words is "one hundred twenty-three billion, two hundred fifty-five million, one hundred twenty-two thousand, four hundred twenty-two".